CN101610544A - Long-range control method and device - Google Patents
Long-range control method and device Download PDFInfo
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- CN101610544A CN101610544A CNA2009101600577A CN200910160057A CN101610544A CN 101610544 A CN101610544 A CN 101610544A CN A2009101600577 A CNA2009101600577 A CN A2009101600577A CN 200910160057 A CN200910160057 A CN 200910160057A CN 101610544 A CN101610544 A CN 101610544A
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Abstract
The invention provides a kind of long-range control method, may further comprise the steps: set up first portable terminal and be connected with wireless packet data between second portable terminal; Second portable terminal sends to first portable terminal with the display message of this portable terminal; First portable terminal carries out Long-distance Control according to display message to second portable terminal.The present invention also provides a kind of remote control, comprising: module is set up in wireless connections; The display message sending module; Remote control module.The present invention has realized the Long-distance Control between the mobile radio terminal, has solved correlation technique medium-long range control method and has only supported to carry out Long-distance Control between the terminal of wired connection, can't satisfy the problem of carrying out the Long-distance Control demand between the portable terminal of wireless connections.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of long-range control method and device.
Background technology
Long-distance Control can make and realize the shared and co-operation in interface between the terminal use, realizes " What You See Is What You Get " between the terminal, has great significance for the Real-Time Sharing of information, collaborative demonstration and mutual control.
The basic principle of Long-distance Control is the display screen that obtains controlled terminal in real time, and in real time operational order (keyboard or mouse action information) is sent to controlled terminal.Have only in real time, transfer of data could realize the requirement of Long-distance Control efficiently, makes the user control other-end glibly as controlling the local terminal terminal.
A kind of long-range control method is provided in the correlation technique, and this method is carried out the wire transmission of network data by the internet, has realized the Long-distance Control of catv terminal.
The inventor finds that the long-range control method in the correlation technique only supports to carry out Long-distance Control between the terminal of wired connection, can't satisfy the demand of carrying out Long-distance Control between the portable terminal of wireless connections.
Summary of the invention
The present invention aims to provide a kind of long-range control method and device, can solve correlation technique medium-long range control method and only support to carry out Long-distance Control between the terminal of wired connection, can't satisfy the problem of carrying out the Long-distance Control demand between the portable terminal.
In an embodiment of the present invention, provide a kind of long-range control method, may further comprise the steps: set up first portable terminal and be connected with wireless packet data between second portable terminal; Second portable terminal sends to first portable terminal with the display message of this portable terminal; First portable terminal carries out Long-distance Control according to display message to second portable terminal.
Preferably, in above-mentioned long-range control method, wireless packet data is connected to EVDO (Evolution, Data Only) data and connects.
Preferably, in above-mentioned long-range control method, set up first portable terminal and be connected specifically with wireless packet data between second portable terminal and comprise: first portable terminal is initiated the active call that request EVDO data connect; Second portable terminal receives active call, and the EVDO data connect to set up to be finished.
Preferably, in above-mentioned long-range control method, second portable terminal sends to first portable terminal with the display message of this portable terminal and specifically comprises: second portable terminal is carried out the periodicity screenshotss, obtain consecutive image; Second portable terminal sends consecutive image to first portable terminal.
Preferably, in above-mentioned long-range control method, first portable terminal carries out Long-distance Control according to display message to second portable terminal and specifically comprises: first portable terminal receives and the demonstration consecutive image; First portable terminal is initiated the Long-distance Control request to second portable terminal; The second portable terminal receiving remote control request, and abandon the operation of this portable terminal is weighed; First portable terminal generates the operational order to consecutive image, and operational order is sent to second portable terminal; The instruction of the second portable terminal executable operations.
Preferably, in above-mentioned long-range control method, operational order is all discernible general operation instruction of first portable terminal and second portable terminal.
Preferably, in above-mentioned long-range control method, also comprise before setting up first portable terminal and wireless packet data between second portable terminal being connected: first portable terminal and second portable terminal are to network side register call type, and type of call represents that active call is used for Long-distance Control.
In an embodiment of the present invention, also provide a kind of remote control, comprising: module is set up in wireless connections, is used to set up first portable terminal and is connected with wireless packet data between second portable terminal; The display message sending module is used for the display message of second portable terminal is sent to first portable terminal; Remote control module is used to realize that first portable terminal carries out Long-distance Control according to display message to second portable terminal.
Preferably, in above-mentioned remote control, wireless packet data is connected to the EVDO data and connects.
Preferably, in above-mentioned remote control, also comprise: Registration Module, be used for to network side register call type, type of call represents that first portable terminal is used for Long-distance Control for request EVDO data connect the active call of initiating.
The wireless packet data connection that the foregoing description utilization is set up is carried out real-time, symmetrical high-speed packet data service and is transmitted to realize the Long-distance Control of first portable terminal to second portable terminal, and then realized Long-distance Control between the mobile radio terminal, solve correlation technique medium-long range control method and only supported to carry out Long-distance Control between the terminal of wired connection, can't satisfy the problem of carrying out the Long-distance Control demand between the portable terminal of wireless connections.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows the flow chart according to the long-range control method of first embodiment of the invention;
Fig. 2 shows the schematic diagram of setting up according to the wireless connections of second embodiment of the invention;
Fig. 3 shows the schematic diagram according to the data packet transmission of third embodiment of the invention;
Fig. 4 shows the flow chart according to the long-range control method of fourth embodiment of the invention;
Fig. 5 shows the flow chart according to the long-range control method of fifth embodiment of the invention;
Fig. 6 shows the structure chart according to the remote control of sixth embodiment of the invention.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Fig. 1 shows the flow chart according to the long-range control method of first embodiment of the invention, and this method may further comprise the steps:
Step S101 sets up first portable terminal and is connected with wireless packet data between second portable terminal;
Step S102, second portable terminal sends to first portable terminal with the display message of this portable terminal;
Step S103, first portable terminal carries out Long-distance Control according to display message to second portable terminal.
Present embodiment is at first set up first portable terminal and is connected with wireless packet data between second portable terminal, second portable terminal sends to first portable terminal with the display message of this portable terminal then, and last first portable terminal carries out Long-distance Control according to display message to second portable terminal.Present embodiment carries out real-time, symmetrical high-speed packet data service transmission to realize the Long-distance Control of first portable terminal to second portable terminal owing to utilize the wireless packet data of setting up to connect, and then realized Long-distance Control between the mobile radio terminal, solve correlation technique medium-long range control method and only supported to carry out Long-distance Control between the terminal of wired connection, can't satisfy the problem of carrying out the Long-distance Control demand between the portable terminal of wireless connections.
Preferably, in above-mentioned long-range control method, wireless packet data is connected to the EVDO data and connects.
Present embodiment adopts the EVDO data to connect as carrying out the wireless connections of mobile radio terminal Long-distance Control, be that the Release A version of its development can support real-time, symmetrical high-speed packet data service to transmit simultaneously because EVDO is exclusively used in high speed data rate HDR (High DataRate) transmission.
Along with the development of mobile communication technology, the broadband direction that has become mobile communication system development, Here it is 3G (3
RdGeneration, the third generation mobile system).CDMA (Code Division Multiple Access, code division multiple access inserts) 2000 main schools as the 3G development, its main feature is to have increased Packet data service on the basis of 2G.For the needs CDMA2000 1xEVDO that satisfies high-speed packet data service has occurred.
1x EVDO adopts simple IP (InternetProtocol, Internet Protocol) or mobile IP to be linked into the internet as the unlimited extension of internet, and service application such as web page browsing, file transmission and video flowing are provided.The EVDO mobile terminal of mobile telephone is realized Packet data service by the mode of PPP (Point-to-Point Protocol, point-to-point protocol).When data service was set up, the corresponding business channel must be set up in portable terminal and base station, and this process and caller process are very similar.Mobile phone users can pass through portable terminal, base station, PCF (Packet Coordination Function afterwards, centralized coordination function) relaying, set up PPP connection with PDSN (Packet Data Serving Node, grouping busihess data node).Finally, mobile phone users can with the mutual transmission of IP data bag of ISP (Internet ServiceProvider, ISP) server.
Preferably, in above-mentioned long-range control method, step S101 specifically comprises: first portable terminal is initiated the active call that request EVDO data connect; Second portable terminal receives active call, and the EVDO data connect to set up to be finished.
Be connected by call setup " conversation " between first portable terminal and second portable terminal in the present embodiment, the EVDO data that promptly are used for Long-distance Control connect, and all have unique ID to indicate this time after each EVDO data successful connection is set up and connect.
First portable terminal is initiated request to second portable terminal and is set up EVDO data connections (caller), and after the EVDO state inserted and finishes, network side was to first portable terminal feedback link information.If second portable terminal is received calling (incoming call), accept request (having connect), then the EVDO data connect, and promptly Long-distance Control connects foundation; If the request of second portable terminal refusal, then Long-distance Control service ending (hanging up); If second portable terminal is not response in special time, and second portable terminal has been set up auto-pickup, then can automatic reception connect the request of foundation, and the EVDO data connect to be set up.
Fig. 2 shows the schematic diagram of setting up according to the wireless connections of second embodiment of the invention, and in conjunction with Fig. 2, wireless connections are that EVDO data service establishment of connection process comprises the steps:
Step 1: first portable terminal sends service request to first base station, sends initial call message, is the first portable terminal assignment Traffic Channel after first base station in response;
Step 2: first base station is connected by the internet with second base station, and second portable terminal responds after receiving the called request of second base station, and second base station is the second portable terminal distribution service channel;
Step 3: connect because the transmission of data need be set up by PPP, the request of the first portable terminal initiation packet data service, the notice packet data, services is set up the PPP connection after the mobile services switching centre request of receiving, finally is that first portable terminal distributes an IP address, connects to set up;
Step 4: in like manner, second portable terminal has also obtained an IP address allocated, and EVDO data connection is so far set up and finished, and then first portable terminal and second portable terminal can send the IP packet to the IP address.
Preferably, in above-mentioned long-range control method, step S102 specifically comprises: second portable terminal is carried out the periodicity screenshotss, obtain consecutive image; Second portable terminal sends consecutive image to first portable terminal.
In the present embodiment, after the EVDO data connect foundation, second mobile terminal period this machine is carried out screenshotss operations, the consecutive image that forms a frame frame is preserved into buffer memory (buffer), formation is similar to the image information of video flowing, give encoder with these image informations then and carry out coding of graphics, data behind the coding add for the description of message and supplemental instruction, change into the message format (agreement) of standard, for example: referring to Fig. 3, this information comprises type of service (REMOTE_CONTROL), information type (TYPE), packets of information (PACKET), message length (SIZE) etc., this is the video data bag, and video data wraps in through after chnnel coding and the modulation, is sent to second portable terminal on the EVDO Traffic Channel.
During this period, second portable terminal allows this machine of operation arbitrarily, and the interfacial effect that has operation to cause all will be preserved by the mode of screenshotss, and it is medium to be sent to be placed into buffer memory.Can operate to enter cards folder such as second portable terminal, then second portable terminal can be constantly sends by the EVDO channel display message of this machine to first portable terminal.The data volume of institute's screenshotss needs and data quantity transmitted is consistent, preventing data cached overflowing, and the continuity of maintenance data.The data of having transmitted abandon from buffer memory automatically, think that the next group data vacate memory space.
Preferably, in above-mentioned long-range control method, step S103 specifically comprises: first portable terminal receives and the demonstration consecutive image; First portable terminal is initiated the Long-distance Control request to second portable terminal; The second portable terminal receiving remote control request, and abandon the operation of this portable terminal is weighed; First portable terminal generates the operational order to consecutive image, and operational order is sent to second portable terminal; The instruction of the second portable terminal executable operations.
In the present embodiment when first portable terminal receives video data bag from second portable terminal, at first carry out demodulation, channel-decoding, picture decoding, so that the video data bag is reduced to the most original screenshotss picture, and adaptive demonstration on the interface of this machine (effect of " picture-in-picture " can appear being similar in the interface of first portable terminal at this moment), when first portable terminal receives new video data bag, the continuous picture that shows on this machine interface is refreshed demonstration, with the variation of real-time tracking second portable terminal (such as when second portable terminal enters cards folder, first portable terminal also can be updated to this machine interface the cards folder interface), then second portable terminal is initiated the Long-distance Control request, if second portable terminal is agreed this Long-distance Control request, then also abandoned simultaneously operation power to this machine, first portable terminal is received request control successful information, first portable terminal sends operational order to the desktop of second portable terminal on this machine, this operational order sends to second portable terminal through after the chnnel coding by the EVDO wireless channel, when second portable terminal receives, carry out demodulation again, channel-decoding, data decode, resolve to the discernible instruction of second portable terminal, second portable terminal is operated this machine according to instruction, has promptly finished the Long-distance Control of first portable terminal to second portable terminal.Such as, first portable terminal is by the bottom left soft key, this operational order sends second portable terminal to by wireless channel, second portable terminal is resolved the instruction of receiving, obtains operation information and is " by the bottom left soft key ", and the operation of carrying out by bottom left soft key correspondence shows, as check the cards folder record, the details interface is upgraded, and the interface information after will upgrading sends to first portable terminal, and first portable terminal carries out update displayed after receiving display message on this machine.First portable terminal can be cancelled at any time in connection procedure with second portable terminal and is connected (hanging up), withdraw from remote desktop control, EVDO enters Idle state, monitors other EVDO data services, and network can be according to both sides' state to first portable terminal and second portable terminal feedback.
Preferably, in above-mentioned long-range control method, operational order is all discernible general operation instruction of first portable terminal and second portable terminal.
First portable terminal in the present embodiment will be converted into first portable terminal and all discernible general operation director data of second portable terminal according to the operational order that consecutive image produces, these data add for the description of message and supplemental instruction, change into the message format (agreement) of standard, this is the director data bag, referring to Fig. 3, the data that the director data bag is packaged into a frame frame are sent to second portable terminal on the EVDO Traffic Channel, after treating that second portable terminal is received the director data bag, be reduced into the instruction of original keyboard or touch-screen, carry out corresponding processing.For portable terminal, operating equipment comprises keyboard and touch-screen, need calculate touch point position for touch-screen, carries out a series of coordinate transformation, for mouse action, also needs the in-local director data is changed into the general operation instruction.Do like this, be because Design of Man-Machine Interaction Interface differences such as the keyboard of different mobile terminal, touch-screens, must arrange all discernible general operation director data of both sides, could guarantee that the operation wish of first portable terminal can access the correct execution feedback of second portable terminal.
Fig. 4 shows the flow chart according to the long-range control method of fourth embodiment of the invention, and this method may further comprise the steps:
Step S401, first portable terminal set up the EVDO data with second portable terminal and are connected, and enter " conversation " state;
Step S402, the second mobile terminal period screenshotss;
Step S403, second portable terminal preserves the snapshot picture frame by frame into buffer;
Step S404, second portable terminal forms the consecutive image information that is similar to video flowing;
Step S405, second portable terminal carry out consecutive image (video) coding;
Step S406 carries out chnnel coding to consecutive image again;
Step S407 modulates consecutive image again;
Display message after step S408, second portable terminal will encode, modulate is by Packet Data Channel delivery value first portable terminal;
Step S409, first portable terminal receives;
Step S410, first portable terminal at first carry out demodulation to the display message that receives;
Step S411, first portable terminal carries out channel-decoding to the display message after the demodulation again;
Step S412, first portable terminal carry out consecutive image (video) decoding to the display message behind the channel-decoding again;
Step S413, first portable terminal carry out the update displayed of this side according to demodulation, decoded display message;
Step S414, first portable terminal sends operational order;
Step S415, first portable terminal is encoded operating data, is converted into the general operation instruction;
Step S416, first portable terminal is encoded to the general operation command channel;
Step S417, first portable terminal instruct to general operation and modulate;
Step S418, first portable terminal with encoded, the modulation after the operational order grouped data be sent to second portable terminal;
Step S419, second portable terminal receives;
Step S420, second portable terminal carries out demodulation to the operational order that receives;
Step S421, second portable terminal carries out channel-decoding to the operational order after the demodulation again;
Step S422, second portable terminal is decoded to the operational order after the demodulation again, is converted into the instruction of the second portable terminal correspondence;
Step S423, second portable terminal is according to the operational order complete operation.
This method of flow chart that Fig. 5 shows according to the long-range control method of fifth embodiment of the invention may further comprise the steps:
Step S501, first mobile terminal request is set up the remote desktop control connection, this moment, first portable terminal showed " asking to set up remote desktop with second portable terminal is connected ", and second portable terminal shows " first mobile terminal request is set up remote desktop and connected ";
Step S502, second portable terminal receives request, and both sides set up remote desktop and connect, and level EVDO data connect;
Step S503, first mobile terminal request is shared the desktop of second portable terminal, and at this moment, second portable terminal shows " desktop that first mobile terminal request is shared you ";
Step S504, second portable terminal receives request;
Step S505, first portable terminal obtains the mobile phone interface of second portable terminal, and at this moment, first portable terminal is set up the effect of similar picture-in-picture;
Step S506, second portable terminal is handled this machine, such as entering cards folder;
Step S507, the second interface of mobile terminal confidence is fed back to first portable terminal, and first portable terminal shows that second portable terminal enters the interface of cards folder;
Step S508 asks the control of second portable terminal, and this moment, first portable terminal showed " asking the control of second portable terminal ", and second portable terminal shows " first mobile terminal request is controlled your desktop ";
Step S509 receives request, and second portable terminal is abandoned the control to this machine;
Step S510, first portable terminal is handled second portable terminal, presses the bottom left soft key such as first portable terminal at this machine, and left soft key is checked corresponding information corresponding to the look facility of second this machine of portable terminal;
Step S511, the second interface of mobile terminal information is fed back to first portable terminal, and then first portable terminal shows the interfacial effect of second portable terminal.
Preferably, in above-mentioned long-range control method, also comprise before the step S101: first portable terminal and second portable terminal are to network side register call type, and type of call represents that active call is used for Long-distance Control.
In the present embodiment before setting up wireless connections, first portable terminal and second portable terminal are at first to a kind of type of call of network registration, this type of call is used for indicating that remote desktop control is professional, can judge it is the call business of the sort of type according to this type of call.
Fig. 6 shows the structure chart according to the remote control of sixth embodiment of the invention, and this device comprises:
Display message sending module 20 is used for the display message of second portable terminal is sent to first portable terminal;
Present embodiment at first adopts wireless connections to set up module 10 and sets up first portable terminal and be connected with wireless packet data between second portable terminal, adopt display message sending module 20 second portable terminals that the display message of this portable terminal is sent to first portable terminal then, adopt remote control module 30 to realize that first portable terminal carries out Long-distance Control according to display message to second portable terminal at last.Present embodiment carries out real-time, symmetrical high-speed packet data service transmission to realize the Long-distance Control of first portable terminal to second portable terminal owing to utilize the wireless packet data of setting up to connect, and then realized Long-distance Control between the mobile radio terminal, solve correlation technique medium-long range control method and only supported to carry out Long-distance Control between the terminal of wired connection, can't satisfy the problem of carrying out the Long-distance Control demand between the portable terminal of wireless connections.
Preferably, in above-mentioned remote control, wireless packet data is connected to the EVDO data and connects.
Present embodiment adopts the EVDO data to connect as carrying out the wireless connections of mobile radio terminal Long-distance Control, is that the ReleaseA version of its development can support real-time, symmetrical high-speed packet data service to transmit simultaneously because EVDO is exclusively used in the HDR transmission.
Preferably, in above-mentioned remote control, also comprise: Registration Module, be used for to network side register call type, type of call represents that first portable terminal is used for Long-distance Control for request EVDO data connect the active call of initiating.
To a kind of type of call of network registration, this type of call is used for indicating that remote desktop control is professional to present embodiment employing Registration Module, can judge it is the call business of the sort of type according to this type of call before setting up wireless connections.
As can be seen from the above description, the above embodiments of the present invention have realized the Long-distance Control between the portable terminal of wireless connections.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a long-range control method is characterized in that, may further comprise the steps:
Setting up first portable terminal is connected with wireless packet data between second portable terminal;
Described second portable terminal sends to described first portable terminal with the display message of this portable terminal;
Described first portable terminal carries out Long-distance Control according to described display message to described second portable terminal.
2. long-range control method according to claim 1 is characterized in that, described wireless packet data is connected to the EVDO data and connects.
3. long-range control method according to claim 2 is characterized in that, sets up first portable terminal and is connected specifically with wireless packet data between second portable terminal and comprises:
Described first portable terminal is initiated the active call that the described EVDO data of request connect;
Described second portable terminal receives described active call, and described EVDO data connect to set up to be finished.
4. according to each described long-range control method in the claim 1 to 3, it is characterized in that described second portable terminal sends to described first portable terminal with the display message of this portable terminal and specifically comprises:
Described second portable terminal is carried out the periodicity screenshotss, obtain consecutive image;
Described second portable terminal sends described consecutive image to described first portable terminal.
5. according to each described long-range control method in the claim 1 to 3, it is characterized in that described first portable terminal carries out Long-distance Control according to described display message to described second portable terminal and specifically comprises:
Described first portable terminal reception also shows described consecutive image;
Described first portable terminal is initiated the Long-distance Control request to described second portable terminal;
Described second portable terminal receives described Long-distance Control request, and abandons the operation power to this portable terminal;
Described first portable terminal generates the operational order to described consecutive image, and described operational order is sent to described second portable terminal;
Described second portable terminal is carried out described operational order.
6. long-range control method according to claim 5 is characterized in that, described operational order is all discernible general operation instruction of described first portable terminal and described second portable terminal.
7. according to each described long-range control method in the claim 1 to 3, it is characterized in that, also comprise before setting up first portable terminal and wireless packet data between second portable terminal being connected:
Described first portable terminal and described second portable terminal are to network side register call type, and described type of call represents that described active call is used for described Long-distance Control.
8. a remote control is characterized in that, comprising:
Module is set up in wireless connections, is used to set up first portable terminal and is connected with wireless packet data between second portable terminal;
The display message sending module is used for the display message of described second portable terminal is sent to described first portable terminal;
Remote control module is used to realize that described first portable terminal carries out Long-distance Control according to described display message to described second portable terminal.
9. remote control according to claim 8 is characterized in that, described wireless packet data is connected to the EVDO data and connects.
10. according to Claim 8 or 9 described remote controls, it is characterized in that, also comprise:
Registration Module is used for to network side register call type, and described type of call represents that described first portable terminal is used for described Long-distance Control for asking described EVDO data to connect the active call of initiating.
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| CNA2009101600577A CN101610544A (en) | 2009-07-20 | 2009-07-20 | Long-range control method and device |
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2009
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